Metal–air electrochemical cell

A metal–air electrochemical cell is an electrochemical cell that uses an anode made from pure metal and an external cathode of ambient air, typically with an aqueous or aprotic electrolyte.[1][2]

During discharging of a metal–air electrochemical cell, a reduction reaction occurs in the ambient air cathode while the metal anode is oxidized.

The specific capacity and energy density of metal–air electrochemical cells is higher than that of lithium-ion batteries, making them a prime candidate for use in electric vehicles. While there are some commercial applications, complications associated with the metal anodes, catalysts, and electrolytes have hindered development and implementation of metal–air batteries.[3][4]

  1. ^ "Metal air". December 27, 2010. Archived from the original on 2010-12-27.
  2. ^ "Metal–Air Batteries Lithium, Aluminum, Zinc, and Carbon" (PDF). Retrieved 2013-04-04.
  3. ^ Li, Y.; Lu, J. (2017). "Metal–Air Batteries: Will They Be the Future Electrochemical Energy Storage Device of Choice?". ACS Energy Letters. 2 (6): 1370–1377. doi:10.1021/acsenergylett.7b00119. OSTI 1373737.
  4. ^ Zhang, X.; Wang, X.; Xie, Z.; Zhou, Z. (2016). "Recent progress in rechargeable alkali metal–air batteries". Green Energy & Environment. 1 (1): 4–17. doi:10.1016/j.gee.2016.04.004.
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